Regular Expression Library

Test Your Regular Expressions

New Silverlight Tester

Singleline

Case Insensitive

Multiline

Ignore Whitespace in Expression

Explicit Capture

URL

File

Source

Regular Expression
^((($\d{3}$|\d{3})( |-|\.))|($\d{3}$|\d{3}))?\d{3}( |-|\.)?\d{4}(( |-|\.)?([Ee]xt|[Xx])[.]?( |-|\.)?\d{4})?$